package com.boot.security.server.config;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.config.http.SessionCreationPolicy;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.web.AuthenticationEntryPoint;
import org.springframework.security.web.authentication.AuthenticationFailureHandler;
import org.springframework.security.web.authentication.AuthenticationSuccessHandler;
import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;
import org.springframework.security.web.authentication.logout.LogoutSuccessHandler;

import com.boot.security.server.filter.TokenFilter;

/**
 * spring security配置
 * @author Ming
 * <p>
 * 2017年10月16日
 */
@EnableGlobalMethodSecurity(prePostEnabled = true)
public class SecurityConfig extends WebSecurityConfigurerAdapter {

    @Autowired
    private AuthenticationSuccessHandler authenticationSuccessHandler;
    @Autowired
    private AuthenticationFailureHandler authenticationFailureHandler;
    @Autowired
    private LogoutSuccessHandler logoutSuccessHandler;
    @Autowired
    private AuthenticationEntryPoint authenticationEntryPoint;
    @Autowired
    private UserDetailsService userDetailsService;
    @Autowired
    private TokenFilter tokenFilter;

	@Bean
	public BCryptPasswordEncoder bCryptPasswordEncoder() {
		return new BCryptPasswordEncoder();
	}

    @Override
    protected void configure (HttpSecurity http) throws Exception {
        http.csrf().disable();

        // 基于token，所以不需要session
        http.sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS);
        String[] strings = {"/", "/*.html", "/favicon.ico", "/css/**", "/js/**", "/fonts/**",
                            "/layui/**", "/img/**", "/v2/api-docs/**", "/swagger-resources/**",
                            "/webjars/**", "/pages/**", "/druid/**","/mOverseeQuestions/downSource",
                            "/mOverseeQuestions/excelDetail","/mOverseeQuestions/excel",
                            "/mOverseeQuestions/excelDetailByIds","/mOverseeQuestions/excelByIds",
                            "/cron/**", "/statics/**", "/mQuestionStatuss/getList","/roles/**",
                            "/users/oAlogin","/users/test","/mOverseeQuestions/OA/Login","/agency/**",
                            "/mOverseeQuestions/file/**","/mOverseeQuestions/deleteFile/**"};
        http.authorizeRequests().antMatchers(strings).permitAll().anyRequest().authenticated();
        http.formLogin().loginProcessingUrl("/login").successHandler(authenticationSuccessHandler).failureHandler(authenticationFailureHandler).and().exceptionHandling().authenticationEntryPoint(authenticationEntryPoint);
        http.logout().logoutUrl("/logout").logoutSuccessHandler(logoutSuccessHandler);
        // 解决不允许显示在iframe的问题
        http.headers().frameOptions().disable();
        http.headers().cacheControl();

        http.addFilterBefore(tokenFilter, UsernamePasswordAuthenticationFilter.class);
    }

    @Override
    protected void configure (AuthenticationManagerBuilder auth) throws Exception {
        auth.userDetailsService(userDetailsService).passwordEncoder(bCryptPasswordEncoder());
    }
}
